Nat Commun:肾癌中KLF6驱使的转录网络与脂质稳态和肿瘤生长有关

2019-03-25 AlexYang MedSci原创

转录网络在健康、疾病和癌症中对于建立组织特异性细胞学状态非常关键。然而,控制致癌过程的转录通路仍旧了解甚少。最近,有研究人员报道了一个锌指家族转录因子KLF6在透明细胞肾细胞癌(ccRCC)中能够调控脂质稳态。研究人员展示了KLF6能够支持脂质代谢基因的表达并促进PDGFB基因的表达,而PDGFB基因能够季候mTOR信号以及下游脂质代谢调控因子SREBF1和SREBF2。KLF66的表达还可以通过

转录网络在健康、疾病和癌症中对于建立组织特异性细胞学状态非常关键。然而,控制致癌过程的转录通路仍旧了解甚少。

最近,有研究人员报道了一个锌指家族转录因子KLF6在透明细胞肾细胞癌(ccRCC)中能够调控脂质稳态。研究人员展示了KLF6能够支持脂质代谢基因的表达并促进PDGFB基因的表达,而PDGFB基因能够季候mTOR信号以及下游脂质代谢调控因子SREBF1和SREBF2。KLF66的表达还可以通过一个超级增强子来驱动表达来整合来源于多重途径中的信号,包括了ccRCC起始VHL-HIF2A途径。

最后,研究人员指出,这些结果表明了ccRCC细胞中高mTOR活性的潜在机制。更多的是,超级增强子驱使的转录网络和必要的代谢途径也许为维持癌症细胞中的转录过程稳定的机制提供线索。

原始出处:

Saiful E. Syafruddin, Paulo Rodrigues, Erika Vojtasova et al. A KLF6-driven transcriptional network links lipid homeostasis and tumour growth in renal carcinoma. Nat Commun. 11 Mar 2019.

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    2020-03-05 mjldent
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    2020-01-21 changfy
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    2019-07-09 liuli5079
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    2019-12-05 liye789132251
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    2019-03-25 329523732

    不错

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